Audited Supplier
SR658 Solar Controllers for Split Solar Water Heater
1.1 Overview
SR658 solar controller is used in more complex and versatile solar heating systems.
It can heat multiple water tanks, control multiple solar collector matrices, and intelligent control of alternative energy equipment such as gas, heat pumps, and boilers.
It can realize intelligent control of heating water tank, swimming pool, floor heating and other multi-purpose.
19systems can be programmer.
Conventional/HE pump both available on.
Support firmware update by SD card.
SR530F8 Solar Controller for large and medium solar water heater systems.Its main functions include controlling solar circuit pump, storage loading pump, backup heating equipment, and the temperature and water level.
1.2 Applications Capacity
Max.number of collectors:2
Max.number of storage tanks:2
Max.number of relays:7
Max.number of sensors:8
Max.number of visualization application system:19
Signal port for HE pump:PWM1,PWM2,PWM3
FRT:1*Digital flowmeter sensor
VFS:1 flowmeter sensor
1.3 Main functions
DATE---Date setting
Light---Display lightness adjustable
Timed heat---backup heating
Circle---Hot water circulation
Sys-Application programmer
LOAD---Setup Loading tank1
LOAD2--- Setup Loading tank2
COL---Collector1
COL2---Collector2
PUMP---Pump control mode
LLOGI---Tank loading logic
COOL---Cooling function
HEATX---Thermal energy transfer between tanks.
RPH---Preheat heating return function
AUX---Auxiliary function
MAN---Manual mode
BLPR---Blocking protection function
OTDIS---Thermal disinfection function
OPARR---Parallel relay function
OHQM---Thermal energy measurement
GFDS---Registration of sensor
UNIT---C-F unit switch
OSDS---SD card
REST---reset
PASS--- password set
Firmware update
Holiday function
Screen Protection
Trouble Protection
Trouble Checking
1.4 Delivery scope
| Components | Quantities | Remarks |
| Controller | 1pc | SR658 |
| Operation manual | 1pc | |
| PT1000 sensor | 2pcs | ∅ 6*50mm,cable length 1.5mm |
| NTC10K | 4pcs | ∅ 6*50mm,cable length 3m |
| Screws and expansion | 2pcs | |
| Clamp bag | 1pc |
2.1 Technical parameters
| Parameter | Value |
| Size of Controller | 208mm*158mm*43mm |
| Power supply | AC100~240V 50~60Hz |
| Power consumption | < 2.5W |
| Measure accurate | ± 2ºC |
| Measure scope of collector sensor | -10~220ºC |
| Measure scope of tank sensor | 0~110ºC |
| 3*Electromagnetic relay | Max.current 1A |
| 3*Semiconductor repay | Max.current 1A |
| Available electrical heater can be controlled H1 | 1 heater,heater power≤ 1500W |
| T1 | Collector:1*PT1000,≤ 500ºC(Sillicon cable ≤ 280ºC) |
| T2,T3 | NTC10K,B=3950,≤ 135ºC(PVC cabke ≤ 105ºC) |
| T4,T5,T6,T7 | Optional sensor: NTC10K,B=3950,≤ 135ºC(PVC cabke ≤ 105ºC) |
| Amblent temperature | -10~50ºC |
| Water proof grade | IP41 |
2.2 Optional accessories
2.2.1 Groundfos Direct Sensor VFS & Flow Meater
2.2.2 Electromagnetic relay : SR802,can control electric heating of ≤4000W
Contactor unit of high power: SR802
• When user selects electrical heater as back-up device, we recommend using SR802 unit connecting controller and electrical heater.
• Technical data of SR802 Dimension: 100mmx100mmx65mm.
• Power supply:180V~264V/AC 50/60Hz.
• Suitable power: ≤ 4000W.
• Available ambient temperature: -10 ~ 50oC Water proof grade: IP43.
SR802 Connection Diagram:
3.1 Solar heating system with a solar collector matrix heating 2 water tanks
3.2 Two solar collector matrix heating two water tanks for solar heating system
3.3 Two water tanks, heat floor heating, gas as a spare solar heating system
3.4 Solar heated water tank and swimming pool system
